He P1079B/II Heavy Fighter REFERENCE INFORMATION Dissable "Aircraft stress can cause damage " to use the aircrafts full potential. Stall Speeds: Full flap - 125 knots No flap - 140 knots General performance: Max speed sea level - 680 knots Max range at 4000 feet - 2171 miles ( See below ) Max height - 60000 feet Max speed 45 degree dive - 1400 knots Range performance test info conducted in calm weather at 4000 feet: Full power range performance: Range - 500 miles ( 800km or 34 minutes ) Speed - 785 knots ( 900mph or 1450kph )